Grayson, KY Weather & Growing Conditions
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 65 in the afternoon. South wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 8 mph S | 95% |
| Tonight | 58°F | Rain | 2 to 8 mph SW | 82% |
| Thursday | 71°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 3 mph SW | 0% |
| Friday | 67°F | Mostly Sunny | 1 to 6 mph W | 12% |
| Friday Night | 35°F | Mostly Cloudy then Patchy Frost | 2 to 6 mph NW | 3% |
| Saturday | 56°F | Patchy Frost then Mostly Sunny | 2 to 6 mph NW | 2% |
| Saturday Night | 30°F | Partly Cloudy then Widespread Frost | 0 to 3 mph NW | 0% |
| Sunday | 60°F | Widespread Frost then Mostly Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 29°F | Mostly Clear then Widespread Frost | 3 mph W | 0% |
| Monday | 63°F | Widespread Frost then Sunny | 3 mph W | 0% |
| Monday Night | 32°F | Mostly Clear then Areas Of Frost | 2 mph SW | 0% |
| Tuesday | 66°F | Areas Of Frost then Sunny | 5 mph SW | 0% |
| Tuesday Night | 34°F | Mostly Clear then Patchy Frost | 2 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grayson, KY
Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6b
Explore more for Grayson, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Grayson 3 Sw, Ky (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.